ASoC: wm8962: Hold a runtime PM reference while handling interrupts (7e9614eb) · Commits · 戴 / test

sound/soc/codecs/wm8962.c

+13 −1

Original line number	Diff line number	Diff line
		@@ -3003,9 +3003,16 @@ static irqreturn_t wm8962_irq(int irq, void *data)
		unsigned int active;
		int reg, ret;

		ret = pm_runtime_get_sync(dev);
		if (ret < 0) {
		dev_err(dev, "Failed to resume: %d\n", ret);
		return IRQ_NONE;
		}

		ret = regmap_read(wm8962->regmap, WM8962_INTERRUPT_STATUS_2_MASK,
		&mask);
		if (ret != 0) {
		pm_runtime_put(dev);
		dev_err(dev, "Failed to read interrupt mask: %d\n",
		ret);
		return IRQ_NONE;
		@@ -3013,14 +3020,17 @@ static irqreturn_t wm8962_irq(int irq, void *data)

		ret = regmap_read(wm8962->regmap, WM8962_INTERRUPT_STATUS_2, &active);
		if (ret != 0) {
		pm_runtime_put(dev);
		dev_err(dev, "Failed to read interrupt: %d\n", ret);
		return IRQ_NONE;
		}

		active &= ~mask;

		if (!active)
		if (!active) {
		pm_runtime_put(dev);
		return IRQ_NONE;
		}

		/* Acknowledge the interrupts */
		ret = regmap_write(wm8962->regmap, WM8962_INTERRUPT_STATUS_2, active);
		@@ -3070,6 +3080,8 @@ static irqreturn_t wm8962_irq(int irq, void *data)
		msecs_to_jiffies(250));
		}

		pm_runtime_put(dev);

		return IRQ_HANDLED;
		}